Finding the Fourth Proportional to 35,602.02, 49,131.63 and 19,686.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,602.02 : 49,131.63 = 19,686.78 : x
2. Step 2: Convert to fraction form
   35,602.02/49,131.63 = 19,686.78/x
3. Step 3: Cross multiply
   35,602.02x = 49,131.63 × 19,686.78
4. Step 4: Simplify right side
   35,602.02x = 967,243,590.85
5. Step 5: Solve for x
   x = 967,243,590.85/35,602.02
6. Step 6: Final answer
   x = 27,168.22